Patent
US 10,407,801CARBON FIBER COMPOSITION INCLUDING GRAPHENE NANO-POWDER AND FABRICATION METHOD FOR CARBON FIBER USING THE SAME
Jae Kap LEE
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 10,407,801Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a conceptual view illustrating a graphene carbon fiber 20 composition according to an embodiment of the present invention, and nano ribbon-shaped …
FIG. 2 illustrates a high-resolution transmission electron microscopy (HR TEM) image (upper side on the right) of graphene powder fabricated in 25 Example …
FIG. 3 (A) (left) is an image illustrating a graphene suspension, a 5 liquid- phase PAN-based graphene carbon fiber composition fabricated according to Example …
FIG. 4 (A) (left) is a transmission electron microscopy (TEM) image illustrating nano ribbon- shaped graphite fabricated according to Example 1, and
FIG. 5 (A) (left) is a 15 transmission electron microscopy (TEM) image illustrating nano ribbon- shaped graphite fabricated according to Example 1, and
FIG. 6 illustrates that a sample not including graphene powder has been thermally-treated, in which full with half maximum (F W HM) of (002) peak shown 20 near …
FIG. 9)]. The sheet- like graphite has a thickness of about 5 ~10 nm and a width of several pm, and the carbon fiber has a diameter of 10 pm or less. 5 …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method for fabricating high-performance carbon fiber, the method comprising steps of: a mixing step to making a graphene carbon fiber composition by mixing a composition for fabricating carbon fiber, and graphene powder, wherein the composition for fabricating carbon fiber includes one selected from the group consisting of) -ba sedc arbon f ibe r, pitch[[-]], rayon[[-]] and combinations thereof; and a heat treatment step of the graphene carbon fiber composition, and wherein the graphene powder serves as a seed of nanoribbon-shaped graphite to be formed during carbon fiber fabricating processes. Currently amended
The method of claim 1, wherein the graphene powder is fabricated by decomposing crystalline graphite, and has a particle size of 20 nm or less. Currently amended
The method of claim 1, wherein a content of the graphene powder is more than 0.1 wt% based on 100 wt% of the sum of the composition for fabricating carbon fiber and the graphene powder. Original
The method of claim 1, the mixing step further comprising a solvent, wherein the solvent is selected from the group consisting of alcohol, acetone, dimethylformamide (DMF), tetrahydrofuran (TH F) and combinations thereof. Original
The method of claim 1, wherein the composition polyacrylonitrile (PAN). New
A method for fabricating high-performance carbon fiber, the method comprising steps of: a mixing step to fabricate a graphene suspension by mixing a composition for fabricating carbon fiber with graphene powder to form a graphene carbon fiber composition, and dispersing the graphene carbon fiber composition in a solvent, wherein the composition for fabricating carbon fiber includes one selected from the group consisting of p oGy-ac r-y lonitril e-(P AN)-based-ca rbGn-fibe-F, pitch[[-]], rayon[[-]] and combinations thereof; a fabrication step to fabricate mixed-fiber by controlling a viscosity of the graphene suspension and performing a fiberization process of the graphene suspension; a stabilization step to stabilize the fibers by heating at 200 ~ 400 0 C under atmosphere; and a heat treatment step of fabricating nano ribbon-shaped graphite by graphitization the flame resistant fiber at a temperature less than 2,500 D, wherein the graphene powder included in the graphene carbon fiber composition serves as a seed of graphite to be formed during high-performance carbon fiber
The method of claim 6, wherein the graphitization temperature in the range of 1,500 D and greater
The method of claim 6, wherein the composition polyacrylonitrile (PAN). New fabricating processes. Currently amended of the heat treatment step is performed at a to less than 2,500 L. Original for fabricating carbon fiber further includes for fabricating carbon fiber further includes
Materials described outside the worked examples.
polyacrylonitrile (PAN)-based carbon fiber precursor
graphene powder
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 2 illustrates a high-resolution transmission electron microscopy (HR TEM) image (upper side on the right) of graphene powder fabricated in 25 Example …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
tensile modulus of high-performance carbon fiber | — | high-performance carbon fiber |
Thickness | 5–20 nm |
Table 1
ere analyzed using XRD and TEM, 15 and the degree of graphitization with respect to each sample was shown in Table 1.
p. 8
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,407,801Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a conceptual view illustrating a graphene carbon fiber 20 composition according to an embodiment of the present invention, and nano ribbon-shaped …
FIG. 2 illustrates a high-resolution transmission electron microscopy (HR TEM) image (upper side on the right) of graphene powder fabricated in 25 Example …
FIG. 3 (A) (left) is an image illustrating a graphene suspension, a 5 liquid- phase PAN-based graphene carbon fiber composition fabricated according to Example …
FIG. 4 (A) (left) is a transmission electron microscopy (TEM) image illustrating nano ribbon- shaped graphite fabricated according to Example 1, and
FIG. 5 (A) (left) is a 15 transmission electron microscopy (TEM) image illustrating nano ribbon- shaped graphite fabricated according to Example 1, and
FIG. 6 illustrates that a sample not including graphene powder has been thermally-treated, in which full with half maximum (F W HM) of (002) peak shown 20 near …
FIG. 9)]. The sheet- like graphite has a thickness of about 5 ~10 nm and a width of several pm, and the carbon fiber has a diameter of 10 pm or less. 5 …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method for fabricating high-performance carbon fiber, the method comprising steps of: a mixing step to making a graphene carbon fiber composition by mixing a composition for fabricating carbon fiber, and graphene powder, wherein the composition for fabricating carbon fiber includes one selected from the group consisting of) -ba sedc arbon f ibe r, pitch[[-]], rayon[[-]] and combinations thereof; and a heat treatment step of the graphene carbon fiber composition, and wherein the graphene powder serves as a seed of nanoribbon-shaped graphite to be formed during carbon fiber fabricating processes. Currently amended
The method of claim 1, wherein the graphene powder is fabricated by decomposing crystalline graphite, and has a particle size of 20 nm or less. Currently amended
The method of claim 1, wherein a content of the graphene powder is more than 0.1 wt% based on 100 wt% of the sum of the composition for fabricating carbon fiber and the graphene powder. Original
The method of claim 1, the mixing step further comprising a solvent, wherein the solvent is selected from the group consisting of alcohol, acetone, dimethylformamide (DMF), tetrahydrofuran (TH F) and combinations thereof. Original
The method of claim 1, wherein the composition polyacrylonitrile (PAN). New
A method for fabricating high-performance carbon fiber, the method comprising steps of: a mixing step to fabricate a graphene suspension by mixing a composition for fabricating carbon fiber with graphene powder to form a graphene carbon fiber composition, and dispersing the graphene carbon fiber composition in a solvent, wherein the composition for fabricating carbon fiber includes one selected from the group consisting of p oGy-ac r-y lonitril e-(P AN)-based-ca rbGn-fibe-F, pitch[[-]], rayon[[-]] and combinations thereof; a fabrication step to fabricate mixed-fiber by controlling a viscosity of the graphene suspension and performing a fiberization process of the graphene suspension; a stabilization step to stabilize the fibers by heating at 200 ~ 400 0 C under atmosphere; and a heat treatment step of fabricating nano ribbon-shaped graphite by graphitization the flame resistant fiber at a temperature less than 2,500 D, wherein the graphene powder included in the graphene carbon fiber composition serves as a seed of graphite to be formed during high-performance carbon fiber
The method of claim 6, wherein the graphitization temperature in the range of 1,500 D and greater
The method of claim 6, wherein the composition polyacrylonitrile (PAN). New fabricating processes. Currently amended of the heat treatment step is performed at a to less than 2,500 L. Original for fabricating carbon fiber further includes for fabricating carbon fiber further includes
Materials described outside the worked examples.
polyacrylonitrile (PAN)-based carbon fiber precursor
graphene powder
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 2 illustrates a high-resolution transmission electron microscopy (HR TEM) image (upper side on the right) of graphene powder fabricated in 25 Example …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
tensile modulus of high-performance carbon fiber | — | high-performance carbon fiber |
Thickness | 5–20 nm |
Table 1
ere analyzed using XRD and TEM, 15 and the degree of graphitization with respect to each sample was shown in Table 1.
p. 8
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,407,801Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a conceptual view illustrating a graphene carbon fiber 20 composition according to an embodiment of the present invention, and nano ribbon-shaped …
FIG. 2 illustrates a high-resolution transmission electron microscopy (HR TEM) image (upper side on the right) of graphene powder fabricated in 25 Example …
FIG. 3 (A) (left) is an image illustrating a graphene suspension, a 5 liquid- phase PAN-based graphene carbon fiber composition fabricated according to Example …
FIG. 4 (A) (left) is a transmission electron microscopy (TEM) image illustrating nano ribbon- shaped graphite fabricated according to Example 1, and
FIG. 5 (A) (left) is a 15 transmission electron microscopy (TEM) image illustrating nano ribbon- shaped graphite fabricated according to Example 1, and
FIG. 6 illustrates that a sample not including graphene powder has been thermally-treated, in which full with half maximum (F W HM) of (002) peak shown 20 near …
FIG. 9)]. The sheet- like graphite has a thickness of about 5 ~10 nm and a width of several pm, and the carbon fiber has a diameter of 10 pm or less. 5 …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method for fabricating high-performance carbon fiber, the method comprising steps of: a mixing step to making a graphene carbon fiber composition by mixing a composition for fabricating carbon fiber, and graphene powder, wherein the composition for fabricating carbon fiber includes one selected from the group consisting of) -ba sedc arbon f ibe r, pitch[[-]], rayon[[-]] and combinations thereof; and a heat treatment step of the graphene carbon fiber composition, and wherein the graphene powder serves as a seed of nanoribbon-shaped graphite to be formed during carbon fiber fabricating processes. Currently amended
The method of claim 1, wherein the graphene powder is fabricated by decomposing crystalline graphite, and has a particle size of 20 nm or less. Currently amended
The method of claim 1, wherein a content of the graphene powder is more than 0.1 wt% based on 100 wt% of the sum of the composition for fabricating carbon fiber and the graphene powder. Original
The method of claim 1, the mixing step further comprising a solvent, wherein the solvent is selected from the group consisting of alcohol, acetone, dimethylformamide (DMF), tetrahydrofuran (TH F) and combinations thereof. Original
The method of claim 1, wherein the composition polyacrylonitrile (PAN). New
A method for fabricating high-performance carbon fiber, the method comprising steps of: a mixing step to fabricate a graphene suspension by mixing a composition for fabricating carbon fiber with graphene powder to form a graphene carbon fiber composition, and dispersing the graphene carbon fiber composition in a solvent, wherein the composition for fabricating carbon fiber includes one selected from the group consisting of p oGy-ac r-y lonitril e-(P AN)-based-ca rbGn-fibe-F, pitch[[-]], rayon[[-]] and combinations thereof; a fabrication step to fabricate mixed-fiber by controlling a viscosity of the graphene suspension and performing a fiberization process of the graphene suspension; a stabilization step to stabilize the fibers by heating at 200 ~ 400 0 C under atmosphere; and a heat treatment step of fabricating nano ribbon-shaped graphite by graphitization the flame resistant fiber at a temperature less than 2,500 D, wherein the graphene powder included in the graphene carbon fiber composition serves as a seed of graphite to be formed during high-performance carbon fiber
The method of claim 6, wherein the graphitization temperature in the range of 1,500 D and greater
The method of claim 6, wherein the composition polyacrylonitrile (PAN). New fabricating processes. Currently amended of the heat treatment step is performed at a to less than 2,500 L. Original for fabricating carbon fiber further includes for fabricating carbon fiber further includes
Materials described outside the worked examples.
polyacrylonitrile (PAN)-based carbon fiber precursor
graphene powder
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 2 illustrates a high-resolution transmission electron microscopy (HR TEM) image (upper side on the right) of graphene powder fabricated in 25 Example …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
tensile modulus of high-performance carbon fiber | — | high-performance carbon fiber |
Thickness | 5–20 nm |
Table 1
ere analyzed using XRD and TEM, 15 and the degree of graphitization with respect to each sample was shown in Table 1.
p. 8
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,407,801Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a conceptual view illustrating a graphene carbon fiber 20 composition according to an embodiment of the present invention, and nano ribbon-shaped …
FIG. 2 illustrates a high-resolution transmission electron microscopy (HR TEM) image (upper side on the right) of graphene powder fabricated in 25 Example …
FIG. 3 (A) (left) is an image illustrating a graphene suspension, a 5 liquid- phase PAN-based graphene carbon fiber composition fabricated according to Example …
FIG. 4 (A) (left) is a transmission electron microscopy (TEM) image illustrating nano ribbon- shaped graphite fabricated according to Example 1, and
FIG. 5 (A) (left) is a 15 transmission electron microscopy (TEM) image illustrating nano ribbon- shaped graphite fabricated according to Example 1, and
FIG. 6 illustrates that a sample not including graphene powder has been thermally-treated, in which full with half maximum (F W HM) of (002) peak shown 20 near …
FIG. 9)]. The sheet- like graphite has a thickness of about 5 ~10 nm and a width of several pm, and the carbon fiber has a diameter of 10 pm or less. 5 …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method for fabricating high-performance carbon fiber, the method comprising steps of: a mixing step to making a graphene carbon fiber composition by mixing a composition for fabricating carbon fiber, and graphene powder, wherein the composition for fabricating carbon fiber includes one selected from the group consisting of) -ba sedc arbon f ibe r, pitch[[-]], rayon[[-]] and combinations thereof; and a heat treatment step of the graphene carbon fiber composition, and wherein the graphene powder serves as a seed of nanoribbon-shaped graphite to be formed during carbon fiber fabricating processes. Currently amended
The method of claim 1, wherein the graphene powder is fabricated by decomposing crystalline graphite, and has a particle size of 20 nm or less. Currently amended
The method of claim 1, wherein a content of the graphene powder is more than 0.1 wt% based on 100 wt% of the sum of the composition for fabricating carbon fiber and the graphene powder. Original
The method of claim 1, the mixing step further comprising a solvent, wherein the solvent is selected from the group consisting of alcohol, acetone, dimethylformamide (DMF), tetrahydrofuran (TH F) and combinations thereof. Original
The method of claim 1, wherein the composition polyacrylonitrile (PAN). New
A method for fabricating high-performance carbon fiber, the method comprising steps of: a mixing step to fabricate a graphene suspension by mixing a composition for fabricating carbon fiber with graphene powder to form a graphene carbon fiber composition, and dispersing the graphene carbon fiber composition in a solvent, wherein the composition for fabricating carbon fiber includes one selected from the group consisting of p oGy-ac r-y lonitril e-(P AN)-based-ca rbGn-fibe-F, pitch[[-]], rayon[[-]] and combinations thereof; a fabrication step to fabricate mixed-fiber by controlling a viscosity of the graphene suspension and performing a fiberization process of the graphene suspension; a stabilization step to stabilize the fibers by heating at 200 ~ 400 0 C under atmosphere; and a heat treatment step of fabricating nano ribbon-shaped graphite by graphitization the flame resistant fiber at a temperature less than 2,500 D, wherein the graphene powder included in the graphene carbon fiber composition serves as a seed of graphite to be formed during high-performance carbon fiber
The method of claim 6, wherein the graphitization temperature in the range of 1,500 D and greater
The method of claim 6, wherein the composition polyacrylonitrile (PAN). New fabricating processes. Currently amended of the heat treatment step is performed at a to less than 2,500 L. Original for fabricating carbon fiber further includes for fabricating carbon fiber further includes
Materials described outside the worked examples.
polyacrylonitrile (PAN)-based carbon fiber precursor
graphene powder
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 2 illustrates a high-resolution transmission electron microscopy (HR TEM) image (upper side on the right) of graphene powder fabricated in 25 Example …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
tensile modulus of high-performance carbon fiber | — | high-performance carbon fiber |
Thickness | 5–20 nm |
Table 1
ere analyzed using XRD and TEM, 15 and the degree of graphitization with respect to each sample was shown in Table 1.
p. 8
Related documents with shared materials, methods, properties, or citations.
pitch
rayon
graphene carbon fiber composition
helical crystalline graphite
alcohol
acetone
dimethylformamide (DMF)
tetrahydrofuran (THF)
nanoribbon-shaped graphite
high-performance carbon fiber
FIG. 2 illustrates a high-resolution transmission electron microscopy (HR TEM) image (upper side on the right) of graphene powder fabricated in 25 Example …
FIG. 4 (A) (left) is a transmission electron microscopy (TEM) image illustrating nano ribbon- shaped graphite fabricated according to Example 1, and
FIG. 5 (A) (left) is a 15 transmission electron microscopy (TEM) image illustrating nano ribbon- shaped graphite fabricated according to Example 1, and
FIG. 9)]. The sheet- like graphite has a thickness of about 5 ~10 nm and a width of several pm, and the carbon fiber has a diameter of 10 pm or less. 5 …
| — |
Thickness | ≤ 10 nm | — |
pitch
rayon
graphene carbon fiber composition
helical crystalline graphite
alcohol
acetone
dimethylformamide (DMF)
tetrahydrofuran (THF)
nanoribbon-shaped graphite
high-performance carbon fiber
FIG. 2 illustrates a high-resolution transmission electron microscopy (HR TEM) image (upper side on the right) of graphene powder fabricated in 25 Example …
FIG. 4 (A) (left) is a transmission electron microscopy (TEM) image illustrating nano ribbon- shaped graphite fabricated according to Example 1, and
FIG. 5 (A) (left) is a 15 transmission electron microscopy (TEM) image illustrating nano ribbon- shaped graphite fabricated according to Example 1, and
FIG. 9)]. The sheet- like graphite has a thickness of about 5 ~10 nm and a width of several pm, and the carbon fiber has a diameter of 10 pm or less. 5 …
| — |
Thickness | ≤ 10 nm | — |
pitch
rayon
graphene carbon fiber composition
helical crystalline graphite
alcohol
acetone
dimethylformamide (DMF)
tetrahydrofuran (THF)
nanoribbon-shaped graphite
high-performance carbon fiber
FIG. 2 illustrates a high-resolution transmission electron microscopy (HR TEM) image (upper side on the right) of graphene powder fabricated in 25 Example …
FIG. 4 (A) (left) is a transmission electron microscopy (TEM) image illustrating nano ribbon- shaped graphite fabricated according to Example 1, and
FIG. 5 (A) (left) is a 15 transmission electron microscopy (TEM) image illustrating nano ribbon- shaped graphite fabricated according to Example 1, and
FIG. 9)]. The sheet- like graphite has a thickness of about 5 ~10 nm and a width of several pm, and the carbon fiber has a diameter of 10 pm or less. 5 …
| — |
Thickness | ≤ 10 nm | — |
pitch
rayon
graphene carbon fiber composition
helical crystalline graphite
alcohol
acetone
dimethylformamide (DMF)
tetrahydrofuran (THF)
nanoribbon-shaped graphite
high-performance carbon fiber
FIG. 2 illustrates a high-resolution transmission electron microscopy (HR TEM) image (upper side on the right) of graphene powder fabricated in 25 Example …
FIG. 4 (A) (left) is a transmission electron microscopy (TEM) image illustrating nano ribbon- shaped graphite fabricated according to Example 1, and
FIG. 5 (A) (left) is a 15 transmission electron microscopy (TEM) image illustrating nano ribbon- shaped graphite fabricated according to Example 1, and
FIG. 9)]. The sheet- like graphite has a thickness of about 5 ~10 nm and a width of several pm, and the carbon fiber has a diameter of 10 pm or less. 5 …
| — |
Thickness | ≤ 10 nm | — |